US5339750A - Adjustable work table - Google Patents
Adjustable work table Download PDFInfo
- Publication number
- US5339750A US5339750A US08/135,132 US13513293A US5339750A US 5339750 A US5339750 A US 5339750A US 13513293 A US13513293 A US 13513293A US 5339750 A US5339750 A US 5339750A
- Authority
- US
- United States
- Prior art keywords
- column
- table top
- attached
- lead screw
- column member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B9/00—Tables with tops of variable height
- A47B9/04—Tables with tops of variable height with vertical spindle
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B17/00—Writing-tables
- A47B17/02—Writing-tables with vertically-adjustable parts
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
- A47B21/02—Tables or desks for office equipment, e.g. typewriters, keyboards with vertical adjustable parts
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B2200/00—General construction of tables or desks
- A47B2200/0035—Tables or desks with features relating to adjustability or folding
- A47B2200/004—Top adjustment
- A47B2200/0043—Inclination adjustable work top
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B2200/00—General construction of tables or desks
- A47B2200/0035—Tables or desks with features relating to adjustability or folding
- A47B2200/004—Top adjustment
- A47B2200/0046—Desks with double worktop of which one at least is separately height adjustable
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B2200/00—General construction of tables or desks
- A47B2200/0066—Workstations
- A47B2200/0076—Vertical technical column supporting office equipment
Definitions
- Raisable and lowerable tables are well known to the art, for example, the Trakker adjustable table manufactured by Haworth Inc., and many other examples.
- a table is rendered more useful and desirable for computer aided design and other work activities by providing a pair of raisable and lowerable, separate table tops to provide a two level table if desired, in which the rear table top is capable of tilting through any of a range of pivoted positions on both sides of the horizonal position of the table top.
- the table top can be tilted toward the user, but, for monitor eye angle to avoid light glare or the like, the same table top can be tilted through the horizontal position to tilt rearwardly from the user to a certain degree, which provides great versatility of use for a large variety of purposes.
- a raisable and lowerable table which table comprises a base, plus a movably extensible vertical column attached to the base.
- a table top is carried on the vertical column.
- pivot means are provided for moving the table top into any of a range of pivoted positions on both sides of the horizontal position of the table top.
- Means are also provided for holding the table top in any of said range of pivoted positions.
- a pair of vertical columns may be attached to the base, each vertical column carrying a separate, pivotally attached table top for independent raising and lowering of each such table top.
- the same table may comprise a substantially flat surface, where both table tops are in a horizontal position at the same height.
- the rear table top may be raised relative to the forward table top from the position that the user is standing, with either of the table tops being in a position angled from the horizontal, or, if desired, in the horizontal position.
- a versatile table is provided which is suitable for a multitude of different uses.
- separate, motor-driven means are provided (1) to extend and retract the vertical column or columns, and (2) to pivotally move and to hold the table top or table tops in any of the range of piloted positions.
- the pivoting of the table top or table tops present and their vertical elevations may be selected in a manner that is entirely independent of each other, for the above-described, great flexibility of use of the table of this invention.
- FIG. 1 is a perspective view of a work table in accordance with this invention
- FIG. 2 is an elevational view of the work table of FIG. 1; showing various pivoting positions of the table tops present;
- FIG. 3 is a fragmentary, sectional view taken along line 3--3 of FIG. 1, with the table top shown in a first position, with portions thereof broken away;
- FIG. 4 is a fragmentary, sectional view similar to FIG. 3 showing the table top in other pivoting positions;
- FIG. 5 is a broken away, perspective view of an inner portion of the movably extensible vertical column of the table shown;
- FIG. 6 is a sectional view of the vertical column taken along line 6--6 of FIG. 5;
- FIG. 7 is a fragmentary, perspective view of a portion of the vertical column shown in FIG. 5.
- adjustable work table 10 comprising base 12 of conventional design, and a pair of vertical columns 14, 16, each of which respectively carries a table top 18, 20.
- Each column 14, 16 is independently capable of raising the respective table top 18, 20 that it carries to a varying, desired height, as illustrated in FIG. 1, with such varying height being different from the respective heights of table tops 18, 20, shown in the same table in FIG. 2.
- pivot means 21 are provided to each table top 18, 20 for moving the respective table tops in an independent manner into any of a range of pivoted positions as illustrated in FIG. 2 by the respective dotted line positions 18a, 20a of the respective table tops.
- table top 20 is capable of pivoting through the horizontal into a reverse pivoting position 20b, which provides a desirable increased utility for the table, to facilitate drawing while the user is standing, for example, in a manner which may facilitate his drawing activity and may avoid glare from overhead lights. But in the particular embodiment shown, table top 18 moves only between the horizontal position of table top 18 and the pivoted position 18a.
- FIGS. 3-7 the working details of column 16 are shown. However, the structure and working details of column 14 are substantially identical to that shown herein as well.
- Table top 20 which is shown in FIG. 3 in fragmentary manner, is carried on a pivot mounting 22, which, in turn, is mounted on pivot 24 carried on column 16.
- Pivot arm 26 is attached to pivot mounting 22 and communicates with threaded sleeve 28 through a second pivot 30.
- Rotatable worm gear 32 is provided, being operable by motor 34 so that as worm gear 32 rotates, sleeve 28 moves inwardly or outwardly along the worm gear to cause pivot arm 26 to rotate. This, in turn, results in the pivoting of pivot mount 22 and table top 20.
- Motor 34 is capable of operating in either direction to correspondingly cause pivoting of table top 20 in either direction.
- FIG. 4 shows another position of the assembly described above as governed by operation of motor 34, with a further pivoting position being shown in phantom lines.
- Motor 34 and its transmission 36 are carried on a platform 38 which carries a threaded sleeve 40 which receives a second worm gear 42.
- This worm gear is carried in a second transmission 44 which is operated by a second electric motor 46.
- Second electric motor 46 and transmission 44 are then bolted to the bottom of column 16.
- Platform 38 is connected to a tubular, inner, vertical column portion 16a, which fits in telescoping relation within outer vertical column portion 16b, so that, with the raising and lowering of platform 38 driven by motor 46, vertical column portion 16a is raised and lowered as well, along with table top 20 and the associated parts.
- FIG. 3 a portion of outer column 16b is shown in broken away configuration.
- column 16b is in the form of a square tube as shown in FIG. 1.
- Inner tubular column portion 16a carries optional spring-tensioned stabilizer wheels 48 which serve to facilitate the telescoping, sliding movement between inner column portion 16a and outer column portion 16b, in accordance with the disclosures of Kritske U.S. Pat. No. 4,381,095, the disclosures of which are incorporated herein by reference.
- each roller 48 may be secured to tension spring 50 by means of bolt 52 and appropriate nuts and washers, with bolt 52 being positioned to be slidable in angled slot 54.
- the end of spring 50 may be welded onto the end of end of bolt 52, or may be retained within looped end 56 of the spring 50 at each end thereof.
- a raisable and lowerable table is provided, preferably with two independently movable table tops, which exhibits great versatility of use coupled with low cost of manufacture.
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/135,132 US5339750A (en) | 1992-03-27 | 1993-10-12 | Adjustable work table |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US85894592A | 1992-03-27 | 1992-03-27 | |
US08/135,132 US5339750A (en) | 1992-03-27 | 1993-10-12 | Adjustable work table |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US85894592A Continuation | 1992-03-27 | 1992-03-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
US5339750A true US5339750A (en) | 1994-08-23 |
Family
ID=25329576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/135,132 Expired - Fee Related US5339750A (en) | 1992-03-27 | 1993-10-12 | Adjustable work table |
Country Status (1)
Country | Link |
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US (1) | US5339750A (en) |
Cited By (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5437236A (en) * | 1994-10-17 | 1995-08-01 | Zeiner; Harold R. | Multi-functional table with elevational capabilities |
US5461974A (en) * | 1991-08-19 | 1995-10-31 | Reneau; Raymond P. | Workstation with integrated computer |
EP0754420A2 (en) * | 1995-05-31 | 1997-01-22 | Usm U. Schaerer Soehne Ag | Piece of furniture, especially table with removable strip |
US5752448A (en) * | 1995-06-07 | 1998-05-19 | Baker Manufacturing Co., Inc. | Motorized Table |
US5778799A (en) * | 1992-10-05 | 1998-07-14 | Baker Manufacturing Co. | Computer work station |
US6062148A (en) * | 1997-08-01 | 2000-05-16 | Steelcase Development Inc. | Height adjustable support for computer equipment and the like |
US6119605A (en) * | 1999-06-09 | 2000-09-19 | Baker Manufacturing Company | Height adjustable table with counterbalance spring and load balance indicator |
US6149253A (en) * | 1998-04-27 | 2000-11-21 | Talasani; Raghuram Reddy | Video display positioning system |
US6286441B1 (en) | 1999-04-30 | 2001-09-11 | Steelcase Development Corporation | Height adjustable work surface and control therefor |
USD458780S1 (en) | 2001-06-19 | 2002-06-18 | The Brewer Company, Llc | Drawer front face |
USD461899S1 (en) | 2001-06-19 | 2002-08-20 | The Brewer Company, Llc | Medical examination table |
USD461900S1 (en) | 2001-06-19 | 2002-08-20 | The Brewer Company, Llc | Top for a medical examination table |
USD462674S1 (en) | 2001-06-19 | 2002-09-10 | The Brewer Company, Llc | Medical examination table cabinet |
USD463861S1 (en) | 2001-06-19 | 2002-10-01 | The Brewer Company, Llc | Stirrup for a medical examination table |
US6510803B1 (en) | 2000-11-21 | 2003-01-28 | Baker Manufacturing Company, Inc. | Height adjustable table |
US6546880B2 (en) | 1999-06-09 | 2003-04-15 | Baker Manufacturing Company | Height adjustable table |
US6550084B2 (en) | 2001-06-19 | 2003-04-22 | The Brewer Company, Llc | Medical examination table step |
WO2004069002A1 (en) * | 2003-02-06 | 2004-08-19 | Ao Medical Products Sweden Aktiebolag | Supporting arrangement for a presentation device |
USD496462S1 (en) | 2003-09-29 | 2004-09-21 | The Brewer Company, Llc | Medical examination table |
US20050150438A1 (en) * | 2001-10-19 | 2005-07-14 | Allen Norman W. | Motorized adjustable workstation |
US6935250B1 (en) | 2002-10-09 | 2005-08-30 | Baker Manufacturing Company, Inc. | Adjustable height table with multiple legs operable by a single crank |
US20050224770A1 (en) * | 2004-02-17 | 2005-10-13 | Munsang Kim | Flexible screw type height control device |
US7077068B1 (en) | 2000-11-21 | 2006-07-18 | Baker Manufacturing Co., Inc. | Height adjustable table |
US20060174807A1 (en) * | 2005-01-26 | 2006-08-10 | Dral Joel R | Computer workstation with movable monitor support |
US20060244717A1 (en) * | 2003-01-20 | 2006-11-02 | Carl-Eric Ohlson | Device and method for adjustment of a work place illumination |
US20080121150A1 (en) * | 2006-11-14 | 2008-05-29 | Unifor S.P.A | Telescopic table support |
US20080289545A1 (en) * | 2007-05-25 | 2008-11-27 | Unifor S.P.A. | Workstation System and Workstation with Multiple, Adjustable Height, Work Tops |
US20090095868A1 (en) * | 2003-02-06 | 2009-04-16 | Ao Medical Products Sweden Aktibolag | Supporting arrangement for a presentation device |
US20090145336A1 (en) * | 2006-03-08 | 2009-06-11 | Dean Kenny | Computer Tables |
US20100024691A1 (en) * | 2008-07-30 | 2010-02-04 | Weber Jeffrey A | Computer work station with moveable monitor support |
US7690317B2 (en) | 2003-03-19 | 2010-04-06 | Herman Miller, Inc. | Computer workstation with moveable monitor support |
US20100162927A1 (en) * | 2008-12-29 | 2010-07-01 | Ming-Hung Hsieh | Rotary Transport Device with a Linear Actuator |
US20100288168A1 (en) * | 2009-05-15 | 2010-11-18 | Rheault Alan E | Dual height workstation configuration |
US7845033B2 (en) | 2005-07-28 | 2010-12-07 | The Brewer Company, Llc | Medical examination table |
US20110120351A1 (en) * | 2009-11-20 | 2011-05-26 | S&S X-Ray Products, Inc. | Ergonomic Filmless Radiology Work Station with Keyboard Sanitizer |
US20120085267A1 (en) * | 2006-03-08 | 2012-04-12 | Dean Kenny | Computer tables |
US8295652B1 (en) * | 2008-10-08 | 2012-10-23 | Devin Newstead | Combined portable computer with adjustable display screen and associated method |
US20130015300A1 (en) * | 2009-11-28 | 2013-01-17 | Norbert Klinke | Telescopic column, preferably for furniture |
WO2013170957A1 (en) * | 2012-05-15 | 2013-11-21 | Tielsa Gmbh | Furniture module |
US9038216B2 (en) | 2005-07-28 | 2015-05-26 | The Brewer Company, Llc | Medical examination table |
US9629452B1 (en) * | 2016-05-12 | 2017-04-25 | Su-Ming Chen | Elevation table structure |
US9655438B1 (en) * | 2016-10-13 | 2017-05-23 | S&S X-Ray Products, Inc. | Ergonomic two-tier work station with height-adjustable work platforms |
US9723920B1 (en) * | 2017-01-06 | 2017-08-08 | Strength Master Fitness Tech Co., Ltd. | Height-adjustable table with concealed wiring design |
US20220031062A1 (en) * | 2020-07-30 | 2022-02-03 | Kesseböhmer Holding Kg | Lifting column and drive system for a lifting system of a furniture |
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US2860938A (en) * | 1955-11-23 | 1958-11-18 | Bureautechnik A G | Self-locking pedestal drafting table |
US3521341A (en) * | 1968-06-17 | 1970-07-21 | Reinhard Hornlein Kg | Method of assembling and forming an extensible column |
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US4681042A (en) * | 1981-02-20 | 1987-07-21 | Roberts Fred E | Adjustable table top assembly |
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US5101736A (en) * | 1990-05-17 | 1992-04-07 | Bommarito Paul F | Adjustable surface desk for computers |
-
1993
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Patent Citations (12)
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US2150397A (en) * | 1937-05-08 | 1939-03-14 | Raymond M Owen | Adjustable folding table |
US2860938A (en) * | 1955-11-23 | 1958-11-18 | Bureautechnik A G | Self-locking pedestal drafting table |
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Cited By (59)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5461974A (en) * | 1991-08-19 | 1995-10-31 | Reneau; Raymond P. | Workstation with integrated computer |
US5778799A (en) * | 1992-10-05 | 1998-07-14 | Baker Manufacturing Co. | Computer work station |
US5437236A (en) * | 1994-10-17 | 1995-08-01 | Zeiner; Harold R. | Multi-functional table with elevational capabilities |
EP0754420B1 (en) * | 1995-05-31 | 2002-05-15 | USM Holding AG | Piece of furniture, especially table with removable strip |
EP0754420A2 (en) * | 1995-05-31 | 1997-01-22 | Usm U. Schaerer Soehne Ag | Piece of furniture, especially table with removable strip |
US5752448A (en) * | 1995-06-07 | 1998-05-19 | Baker Manufacturing Co., Inc. | Motorized Table |
US6062148A (en) * | 1997-08-01 | 2000-05-16 | Steelcase Development Inc. | Height adjustable support for computer equipment and the like |
US6149253A (en) * | 1998-04-27 | 2000-11-21 | Talasani; Raghuram Reddy | Video display positioning system |
US6286441B1 (en) | 1999-04-30 | 2001-09-11 | Steelcase Development Corporation | Height adjustable work surface and control therefor |
US6546880B2 (en) | 1999-06-09 | 2003-04-15 | Baker Manufacturing Company | Height adjustable table |
US6119605A (en) * | 1999-06-09 | 2000-09-19 | Baker Manufacturing Company | Height adjustable table with counterbalance spring and load balance indicator |
US7077068B1 (en) | 2000-11-21 | 2006-07-18 | Baker Manufacturing Co., Inc. | Height adjustable table |
US6510803B1 (en) | 2000-11-21 | 2003-01-28 | Baker Manufacturing Company, Inc. | Height adjustable table |
USD461899S1 (en) | 2001-06-19 | 2002-08-20 | The Brewer Company, Llc | Medical examination table |
USD458780S1 (en) | 2001-06-19 | 2002-06-18 | The Brewer Company, Llc | Drawer front face |
USD462674S1 (en) | 2001-06-19 | 2002-09-10 | The Brewer Company, Llc | Medical examination table cabinet |
USD463861S1 (en) | 2001-06-19 | 2002-10-01 | The Brewer Company, Llc | Stirrup for a medical examination table |
US6550084B2 (en) | 2001-06-19 | 2003-04-22 | The Brewer Company, Llc | Medical examination table step |
USD461900S1 (en) | 2001-06-19 | 2002-08-20 | The Brewer Company, Llc | Top for a medical examination table |
US20050150438A1 (en) * | 2001-10-19 | 2005-07-14 | Allen Norman W. | Motorized adjustable workstation |
US6935250B1 (en) | 2002-10-09 | 2005-08-30 | Baker Manufacturing Company, Inc. | Adjustable height table with multiple legs operable by a single crank |
US8373639B2 (en) | 2003-01-20 | 2013-02-12 | Ao Medical Products Sweden Aktibolag | Device and method for adjustment of a work place illumination |
US20060244717A1 (en) * | 2003-01-20 | 2006-11-02 | Carl-Eric Ohlson | Device and method for adjustment of a work place illumination |
US20090095868A1 (en) * | 2003-02-06 | 2009-04-16 | Ao Medical Products Sweden Aktibolag | Supporting arrangement for a presentation device |
US20060075933A1 (en) * | 2003-02-06 | 2006-04-13 | Carl-Eric Ohlson | Supporting arrangement for a presentation device |
WO2004069002A1 (en) * | 2003-02-06 | 2004-08-19 | Ao Medical Products Sweden Aktiebolag | Supporting arrangement for a presentation device |
US7690317B2 (en) | 2003-03-19 | 2010-04-06 | Herman Miller, Inc. | Computer workstation with moveable monitor support |
USD496462S1 (en) | 2003-09-29 | 2004-09-21 | The Brewer Company, Llc | Medical examination table |
US20050224770A1 (en) * | 2004-02-17 | 2005-10-13 | Munsang Kim | Flexible screw type height control device |
US20060174807A1 (en) * | 2005-01-26 | 2006-08-10 | Dral Joel R | Computer workstation with movable monitor support |
US7721658B2 (en) | 2005-01-26 | 2010-05-25 | Herman Miller, Inc. | Computer workstation with movable monitor support |
US8479329B2 (en) | 2005-07-28 | 2013-07-09 | The Brewer Company, Llc | Medical examination table |
US9038216B2 (en) | 2005-07-28 | 2015-05-26 | The Brewer Company, Llc | Medical examination table |
US8096006B2 (en) | 2005-07-28 | 2012-01-17 | The Brewer Company, Llc | Medical examination table |
US7845033B2 (en) | 2005-07-28 | 2010-12-07 | The Brewer Company, Llc | Medical examination table |
US20090145336A1 (en) * | 2006-03-08 | 2009-06-11 | Dean Kenny | Computer Tables |
US20120085267A1 (en) * | 2006-03-08 | 2012-04-12 | Dean Kenny | Computer tables |
US20080121150A1 (en) * | 2006-11-14 | 2008-05-29 | Unifor S.P.A | Telescopic table support |
US8011308B2 (en) * | 2006-11-14 | 2011-09-06 | Unifor S.P.A. | Telescopic table support |
US20080289545A1 (en) * | 2007-05-25 | 2008-11-27 | Unifor S.P.A. | Workstation System and Workstation with Multiple, Adjustable Height, Work Tops |
US20100024691A1 (en) * | 2008-07-30 | 2010-02-04 | Weber Jeffrey A | Computer work station with moveable monitor support |
US8371237B2 (en) | 2008-07-30 | 2013-02-12 | Herman Miller, Inc. | Computer work station with moveable monitor support |
US8295652B1 (en) * | 2008-10-08 | 2012-10-23 | Devin Newstead | Combined portable computer with adjustable display screen and associated method |
US20100162927A1 (en) * | 2008-12-29 | 2010-07-01 | Ming-Hung Hsieh | Rotary Transport Device with a Linear Actuator |
US8499699B2 (en) | 2009-05-15 | 2013-08-06 | Steelcase Inc. | Dual height workstation configuration |
US8960102B2 (en) | 2009-05-15 | 2015-02-24 | Steelcase Inc. | Dual height workstation configuration |
US8196526B2 (en) | 2009-05-15 | 2012-06-12 | Steelcase Inc. | Dual height workstation configuration |
US20100288168A1 (en) * | 2009-05-15 | 2010-11-18 | Rheault Alan E | Dual height workstation configuration |
US9125486B2 (en) | 2009-05-15 | 2015-09-08 | Steelcase Inc. | Dual height workstation configuration |
US8087737B2 (en) * | 2009-11-20 | 2012-01-03 | S&S X-Ray Products, Inc | Ergonomic filmless radiology work station with keyboard sanitizer |
US20110120351A1 (en) * | 2009-11-20 | 2011-05-26 | S&S X-Ray Products, Inc. | Ergonomic Filmless Radiology Work Station with Keyboard Sanitizer |
US20130015300A1 (en) * | 2009-11-28 | 2013-01-17 | Norbert Klinke | Telescopic column, preferably for furniture |
US9675170B2 (en) * | 2009-11-28 | 2017-06-13 | Linak A/S | Telescopic column, preferably for furniture |
US10959514B2 (en) | 2009-11-28 | 2021-03-30 | Linak A/S | Telescopic column, preferably for furniture |
WO2013170957A1 (en) * | 2012-05-15 | 2013-11-21 | Tielsa Gmbh | Furniture module |
US9629452B1 (en) * | 2016-05-12 | 2017-04-25 | Su-Ming Chen | Elevation table structure |
US9655438B1 (en) * | 2016-10-13 | 2017-05-23 | S&S X-Ray Products, Inc. | Ergonomic two-tier work station with height-adjustable work platforms |
US9723920B1 (en) * | 2017-01-06 | 2017-08-08 | Strength Master Fitness Tech Co., Ltd. | Height-adjustable table with concealed wiring design |
US20220031062A1 (en) * | 2020-07-30 | 2022-02-03 | Kesseböhmer Holding Kg | Lifting column and drive system for a lifting system of a furniture |
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